<template>
  <div class="login">
    <el-form :model="form" :rules="rules" ref="form" class="container">
      <el-form-item>
       <div class="avatar">
         <img src="../assets/65465.jpg" alt="">
       </div>
      </el-form-item>
      <el-form-item prop="username">
          <el-input v-model="form.username" placeholder="请输入用户名" prefix-icon="myicon myicon-user"></el-input>
      </el-form-item>
      <el-form-item prop="password">
          <el-input v-model="form.password" placeholder="请输入密码" prefix-icon="myicon myicon-key" type="password" @keydown.native.enter="loginSubmit('form')"></el-input>
      </el-form-item>
      <el-form-item>
        <el-button type="primary" class="login-btn" @click="loginSubmit('form')">登录</el-button>
      </el-form-item>
    </el-form>
  </div>
</template>
<script>
import {checkUser} from '@/api/api.js'
export default {
  name: "Login",
   data () {
    return {
      form: {
        username: '',
        password: ''
      },
      rules: {
        username: [
          { required: true, message: '请输入用户名', trigger: 'blur' }
        ],
        password: [
          { required: true, message: '请输入密码', trigger: 'blur' }
        ]
      },  
    }   
  },
  methods: {
    loginSubmit(formName) {
      // 点击按钮,没有输入用户名和密码的校验
      this.$refs[formName].validate(valide => {
        if(valide) {
          // 只有校验通过才执行checkUser函数,发送请求，传参数：username, password
          checkUser(this.form).then(res => {
            console.log(res,666)
            // 判断是否登录成功
            if(res.meta.status === 200) {
              console.log('登录成功')
               // 如果登录成功, 设置一个token登录状态,保存到localStorage中，
               localStorage.setItem('mytoken', res.data.token)
               // 讲username 保存到vuex的state中
               this.$store.commit('setUsername', res.data.username)
               // 跳转到Home页面
               this.$router.push({name: 'Home'})
            }else{
              console.log('登录失败')
              // 如果登录失败，提示错误信息
              this.$message({
                type: 'error',
                message: res.meta.msg
              })
            }
          })
        }else{
          console.log('校验不通过')
        }
      })
    }
  }
}    
</script>
<style lang="scss" scoped>
.login {
  position: fixed;
  width: 100%;
  height: 100%;
  background-color: #2f4050;

  .container {
    position: absolute;
    left: 0;
    right: 0;
    width: 400px;
    padding: 0px 40px 15px 40px;
    margin: 200px auto;
    background: white;
    .avatar {
      position: relative;
      left: 50%;
      width: 120px;
      height: 120px;
      margin-left: -60px;
      margin-top: -60px;
      box-sizing: border-box;
      border-radius: 50%;
      border: 10px solid #fff;
      box-shadow: 0 1px 5px #ccc;
      overflow: hidden;
    }
    .login-btn {
      width: 100%;
    }
  }
}
</style>



